BMW R52: history, specs, pictures

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Production 1928 - 1929
two cylinder boxer, four-stroke
Top Speed 62 mph (100 km/h)
Horsepower 11.67 HP (8.7 KW) @ 3400RPM
Fuel System carburetor. 22mm bmw spezial
Ignition magneto
Transmission Gear box: 3-speed

Final Drive: shaft drive (cardan)

Clutch: dry-single plate-cable operated
Suspension Front: leading link
Rear: rigid
Brakes Front: expanding brake (drum brake)
Front Tire 3.50-26.00
Rear Tire 3.50-26.00
Wheelbase 55.12 inches (1400 mm)
Length 82.68 inches (2100 mm)
Width 31.5 inches (800 mm)
Height 37.4 inches (950 mm)
Weight 152.0 kg (wet)
Fuel Capacity 3.3 Gallon (12.50 Liters)
Fuel Consumption 3.50 liters/100 km (28.6 km/l or 67.21 mpg)
Manuals Service Manual

The BMW R52 was a two cylinder boxer, four-stroke standard produced by BMW between 1928 and 1929. It could reach a top speed of 62 mph (100 km/h). Claimed horsepower was 11.67 HP (8.7 KW) @ 3400 RPM.

Engine[edit | edit source]

The engine was a air cooled two cylinder boxer, four-stroke. Fuel was supplied via a overhead valves (ohv).

Drive[edit | edit source]

The bike has a 3-speed transmission. Power was moderated via the dry-single plate-cable operated.

Chassis[edit | edit source]

It came with a 3.50-26.00 front tire and a 3.50-26.00 rear tire. The front suspension was a leading link while the rear was equipped with a rigid. The R52 was fitted with a 3.3 Gallon (12.50 Liters) fuel tank. The wheelbase was 55.12 inches (1400 mm) long.

1929 BMW R 52[edit | edit source]

The 1928 BMW R 52 has, at its heart, an air-cooled, four-stroke, 486cc, single vertical cylinder engine mated to a three-speed manual transmission and can produce 12 horsepower at 3400 rpm. It comes with a plate spring fork, a hard-tail rear suspension, a sprung, single saddle, a front drum brake coupled to a block brake in the rear, laced wheels, a large headlamp, full fenders and a rear luggage rack.